fix saving images compatibility with gradio update

            writer.writerow(["prompt", "seed", "width", "height", "sampler", "cfgs", "steps", "filename", "negative_prompt"])

        for image_index, filedata in enumerate(images, start_index):

            if filedata.startswith("data:image/png;base64,"):

                filedata = filedata[len("data:image/png;base64,"):]

            image = Image.open(io.BytesIO(base64.decodebytes(filedata.encode('utf-8'))))

            image = image_from_url_text(filedata)

            is_grid = image_index < p.index_of_first_image

            i = 0 if is_grid else (image_index - p.index_of_first_image)